February 2026 - Page 73 of 176

Common Problems 122552

Jail Networking Stops After Host Reboot

🟠 High   ⏱ 5–30 min  Last verified: 17 February 2026 Affected versions: FreeBSD 14 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Amazon Linux 2 — perl-YAML-Syck — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — perl-YAML-Syck — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3216 Related CVEs: CVE-2026-4177 CVE-2025-11683 Upstream summary: YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap […]

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FreeBSD 15 — glpi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — glpi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: glpi-project — GLPI multiple vulnerabilities Related CVEs: CVE-2011-2720 CVE-2019-13239 CVE-2019-14666 CVE-2020-11031 CVE-2020-11032 CVE-2020-11033 CVE-2020-11034 CVE-2020-11035  +12 more Upstream summary: [email protected] reports: CVE-2024-11955: A vulnerability was found in GLPI up to […]

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Ubuntu 18.04 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8223-1 Related CVEs: CVE-2024-38357 CVE-2024-38356 CVE-2024-42008 CVE-2024-42010 CVE-2026-26079 CVE-2026-25916 CVE-2019-15237 CVE-2017-8114  +12 more Upstream summary: It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly […]

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Red Hat Enterprise Linux 7 — giflib — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — giflib — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:8883 Related CVEs: CVE-2026-23868 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Schedule Backups with borgbackup on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Schedule Backups with borgbackup on RHEL 10

Introduction How to Schedule Backups with borgbackup on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Complete Guide: How to Use Comparison and IS NULL Operators in SQL

Complete Guide: How to Use Comparison and IS NULL Operators in SQL 2026

Learning how to use comparison and IS NULL operators in SQL is one of the most foundational and frequently executed skills for developers, backend engineers, database administrators, data analysts, full-stack builders, DevOps professionals, startup founders, business intelligence specialists, and anyone writing precise, efficient queries in 2025–2026. Mastering how to use comparison and IS NULL operators in SQL lets you filter rows with exact matches, ranges, inequalities, null checks, and logical exclusions — powering search, reporting, analytics, user filters, dashboards, APIs, data validation, and every data-driven feature in your application.

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NetBSD 10.0 — opencc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — opencc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-15536 CVE-2018-16982 Upstream summary: pkgsrc audit-packages flagged opencc-[0-9]* for vulnerability class 'out-of-bounds-read'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-15536 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Oracle Linux 10 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — kernel — vulnerability — patch and remediation guide (ELSA-2025-14009)

🟠 High   ⏱ 15–60 min  Last verified: 16 February 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-14009 Related CVEs: CVE-2025-38124 CVE-2025-21867 CVE-2025-38250 CVE-2025-38380 CVE-2025-38471 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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FreeBSD 15 — libaudiofile — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — libaudiofile — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libaudiofile — heap-based overflow in Microsoft ADPCM compression module Related CVEs: CVE-2014-0159 Upstream summary: Debian reports: Heap-based buffer overflow in msadpcm.c in libaudiofile in audiofile 0.2.6 allows context-dependent attackers to […]

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